======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '167'
                                          'artist'  'Tesk'
                                     'text_people'  ''
                                         'release'  'Chillhop Raw Cuts 2'
                                           'title'  'DatSwing'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-3', 'Q-JZFKS-2', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronica', 'all', 'jazz', 'chillout', 'ambient']"
                                     'discogstags'  "['hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '27'
                                      'tracktotal'  '79'
                                            'date'  '2017'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism-chillhop'
                                             'bpm'  '85'
                                             'key'  '2B'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'APIC:front cover'                                  type PictureType.COVER_FRONT (Cover (front)) b'front cover'
                                     
'TALB' (Album/Movie/Show title)                     'Chillhop Raw Cuts 2'
'TBPM' (BPM (beats per minute))                     '85'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism-chillhop'
'TCOP' (Copyright message)                          '2017 Chillhop Records'
'TDRC' (Recording time)                             '2017-07-31'
'TIT2' (Title/songname/content description)         'DatSwing'
'TKEY' (Initial key)                                '2B'
'TLEN' (Length)                                     '167'
'TPE1' (Lead performer(s)/Soloist(s))               'Tesk'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '27/79'
'TSRC' (ISRC (international standard recording code))  'TCADE1714594'
'TXXX:BARCODE'                                      '859721982955'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'hip hop'
'TXXX:lastfmtags'                                   ['electronica', 'all', 'jazz', 'chillout', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+12.90 dB'
'TXXX:replaygain_track_peak'                        '0.126715'

========================== row from database ==========================
                                              'id'  1322045
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00synthwave/lofi/lo fi chill/27 - Tesk - DatSwing.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  167
                                           'genre'  hip hop or rnb or rap or turntablism-chillhop
                                        'filesize'  6877810
                                           'mtime'  1620611411
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00synthwave lofi lo fi chill 27 hip or rnb or rap or turntablism chillhop
                                      'tag_artist'  Tesk
                                     'tag_release'  Chillhop Raw Cuts 2
                                       'tag_title'  DatSwing
                                             'bpm'  85.0
                                    'search_title'  'dat':2 'datswing':1 'swing':3
                                   'search_artist'  'tesk':1
                                  'search_release'  '2':4 'chillhop':1 'cuts':3 'raw':2
                                     'search_rest'  '00poprockelectronic':1 '00synthwave':4 '27':9 'chill':8 'chillhop':15 'disco':3 'fi':7 'hip':10 'lo':6 'lofi':5 'or':11 'rap':13 'rnb':12 'turntablism':14 'waves':2
                                    'search_combo'  '00poprockelectronic':9 '00synthwave':12 '2':8C '27':17 'chill':16 'chillhop':5C,23 'cuts':7C 'dat':2A 'datswing':1A 'disco':11 'fi':15 'hip':18 'lo':14 'lofi':13 'or':19 'rap':21 'raw':6C 'rnb':20 'swing':3A 'tesk':4B 'turntablism':22 'waves':10
                                    'tag_tracknum'  27
                                      'num_images'  1
                                             'key'  2B
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'all', 'jazz', 'chillout', 'ambient']
                                        'tag_date'  2017
                                     'discogstags'  ['hip hop']

============================== file details ==============================
                                           'mtime'  1620611410.5587153  (2021-05-10 03:50:10)
                             'size'  6877810